Meet the male river chub, an aquatic mover and shaker par excellence. In spring these robust minnows carry stones in their mouths to create nests, aka “redds,” that can span a metre wide and rise 30 cm or so. Truly herculean labour for creatures the length of ballpoint pens.
These aquatic stonemasons scour the streambed for the materials they need. Watching them lift large rocks recalls the effort of human weightlifters hoisting dumbbells.
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Негізгі бет River Chub Making a Nest
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